Toothbrush



FIG. 1 is a front elevation view of my new design for a toothbrush, thebroken lines are for illustrative purposes and form no part of theclaimed design;

FIG. 2 is rear elevation view thereof;

FIG. 3 is a left side elevation view thereof, the right side being amirror image thereof;

FIG. 4 is a front elevation view of an alternate embodiment, with theshading designating tonal contrast and the broken lines being forillustrative purposes and forming no part of the claimed design;

FIG. 5 is a rear elevation view thereof; and,

FIG. 6 is a left side elevation view thereof, the right side being amirror image thereof.

The ornamental design for a toothbrush, as shown and described.